Results for the impact of Buy recommendations on average abnormal returns (AARs) and CAARs
| Event window | AAR | CDA t-test | CAAR |
|---|---|---|---|
| −20 | −0.852 | −2.192008502** | −0.852 |
| −19 | −0.220 | −0.565090568 | −1.072 |
| −18 | −0.497 | −1.278404799 | −1.569 |
| −17 | −0.874 | −2.248226458** | −2.443 |
| −16 | −0.891 | −2.29223078 | −3.334 |
| −15 | −0.383 | −0.985573944 | −3.717 |
| −14 | −0.245 | −0.63053163 | −3.962 |
| −13 | 0.366 | 0.941897356 | −4.283 |
| −12 | −0.320 | −0.824379356 | −4.641 |
| −11 | −0.359 | −0.922688069 | −5.000 |
| −10 | −0.677 | −1.740575337* | −5.677 |
| −9 | −0.814 | −2.092979884** | −6.490 |
| −8 | 0.094 | 0.242766767 | −6.396 |
| −7 | −0.248 | −0.63758001 | −6.644 |
| −6 | −0.497 | −1.278049789 | −7.140 |
| −5 | −0.432 | −1.112378615 | −7.573 |
| −4 | 0.179 | 0.459716906 | −7.394 |
| −3 | 0.172 | 0.442850302 | −7.222 |
| −2 | 0.026 | 0.067266531 | −7.196 |
| −1 | 0.024 | 0.060734025 | −7.172 |
| 0 | 0.824 | 2.12087517** | −6.348 |
| 1 | −0.222 | −0.569908655 | −6.569 |
| 2 | 0.088 | 0.226885075 | −6.481 |
| 3 | 0.037 | 0.095595098 | −6.444 |
| 4 | 0.327 | 0.840610588 | −6.117 |
| 5 | 0.410 | 1.054866007 | −5.707 |
| 6 | 0.358 | 0.920385095 | −5.349 |
| 7 | 0.492 | 1.265092922 | −4.858 |
| 8 | 0.233 | 0.59864334 | −4.625 |
| 9 | 1.233 | 3.17245081** | −3.392 |
| 10 | 0.313 | 0.804268444 | −3.079 |
| 11 | 0.217 | 0.557389894 | −2.862 |
| 12 | 0.090 | 0.232453798 | −2.772 |
| 13 | 0.096 | 0.246283625 | −2.676 |
| 14 | 0.104 | 0.26847034 | −2.572 |
| 15 | 0.577 | 1.484497774 | −1.995 |
| 16 | −0.116 | −0.299154152 | −2.111 |
| 17 | 0.482 | 1.239135013 | −1.629 |
| 18 | 0.291 | 0.749816915 | −1.338 |
| 19 | 1.243 | 3.198647123*** | −0.094 |
| 20 | 0.916 | 2.357104195** | 0.822 |
| Event window | AAR | CDA t-test | CAAR |
|---|---|---|---|
| −20 | −0.852 | −2.192008502 | −0.852 |
| −19 | −0.220 | −0.565090568 | −1.072 |
| −18 | −0.497 | −1.278404799 | −1.569 |
| −17 | −0.874 | −2.248226458 | −2.443 |
| −16 | −0.891 | −2.29223078 | −3.334 |
| −15 | −0.383 | −0.985573944 | −3.717 |
| −14 | −0.245 | −0.63053163 | −3.962 |
| −13 | 0.366 | 0.941897356 | −4.283 |
| −12 | −0.320 | −0.824379356 | −4.641 |
| −11 | −0.359 | −0.922688069 | −5.000 |
| −10 | −0.677 | −1.740575337 | −5.677 |
| −9 | −0.814 | −2.092979884 | −6.490 |
| −8 | 0.094 | 0.242766767 | −6.396 |
| −7 | −0.248 | −0.63758001 | −6.644 |
| −6 | −0.497 | −1.278049789 | −7.140 |
| −5 | −0.432 | −1.112378615 | −7.573 |
| −4 | 0.179 | 0.459716906 | −7.394 |
| −3 | 0.172 | 0.442850302 | −7.222 |
| −2 | 0.026 | 0.067266531 | −7.196 |
| −1 | 0.024 | 0.060734025 | −7.172 |
| 0 | 0.824 | 2.12087517 | −6.348 |
| 1 | −0.222 | −0.569908655 | −6.569 |
| 2 | 0.088 | 0.226885075 | −6.481 |
| 3 | 0.037 | 0.095595098 | −6.444 |
| 4 | 0.327 | 0.840610588 | −6.117 |
| 5 | 0.410 | 1.054866007 | −5.707 |
| 6 | 0.358 | 0.920385095 | −5.349 |
| 7 | 0.492 | 1.265092922 | −4.858 |
| 8 | 0.233 | 0.59864334 | −4.625 |
| 9 | 1.233 | 3.17245081 | −3.392 |
| 10 | 0.313 | 0.804268444 | −3.079 |
| 11 | 0.217 | 0.557389894 | −2.862 |
| 12 | 0.090 | 0.232453798 | −2.772 |
| 13 | 0.096 | 0.246283625 | −2.676 |
| 14 | 0.104 | 0.26847034 | −2.572 |
| 15 | 0.577 | 1.484497774 | −1.995 |
| 16 | −0.116 | −0.299154152 | −2.111 |
| 17 | 0.482 | 1.239135013 | −1.629 |
| 18 | 0.291 | 0.749816915 | −1.338 |
| 19 | 1.243 | 3.198647123 | −0.094 |
| 20 | 0.916 | 2.357104195 | 0.822 |
Notes:
The t-values are compared to the critical values for a two-tailed test to determine the significance of AARs; *10% level of significance, **5% level of significance, ***1% level of significance and ****0.1% level of significance in two-tailed hypothesis
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